Answer:
x-7
Step-by-step explanation:
unknown number = x
Answer:
0.1 meters
Step-by-step explanation:
For an electromagnetic wave, the relationship between wavelength λ, frequency ν, and the speed of light c is given by:

where 
In our case of the radio waves 
therefore the wavelength λ is:
Therefore the wavelength of the radio waves is 0.1 meters.
Answer:
24 over 15
Step-by-step explanation:
Answer: No from what i did I got (2,0) for x and got (0,10) for y